Comparison between:
- Lenovo Tab M7 (3rd Gen)
- Amazon Kindle Paperwhite
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Lenovo Tab M7 (3rd Gen) | Amazon Kindle Paperwhite | |
 |  | |
| Model alias | - | EY21 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 176.18 mm 17.618 cm 0.578 ft 6.936 in | 117 mm 11.7 cm 0.384 ft 4.606 in |
| Height | 102.28 mm 10.228 cm 0.336 ft 4.027 in | 169 mm 16.9 cm 0.554 ft 6.654 in |
| Thickness | 8.3 mm 0.83 cm 0.027 ft 0.327 in | 9.1 mm 0.91 cm 0.03 ft 0.358 in |
| Weight | 236 g 0.52 lbs 8.36 oz | 213 g 0.47 lbs 7.51 oz |
| Volume | 149.56 cm³ 9.08 in³ | 179.93 cm³ 10.93 in³ |
| Colors | Iron Grey Platinum Grey | Black |
| Body materials | Metal | Plastic |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Nano-SIM | - |
| Number of SIM cards | 1 | - |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | - |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | - |
| LTE | LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 850 MHz (B19) LTE-FDD 850 MHz (B26) LTE-FDD 900 MHz (B8) LTE-FDD 1700 MHz (B4) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | - |
Mobile network technologies and bandwidth
Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.
| Mobile network technologies | UMTS EDGE GPRS HSPA+ LTE Cat 4 | - |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Android 11 Go edition | - |
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
| SoC | MediaTek Helio P22 (MT6762T) | Freescale i.MX508 |
| Process technology | 12 nm | 65 nm |
| CPU | 4x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53 | 1x 0.8 GHz ARM Cortex-A8 |
| CPU bits | 64 bit | 32 bit |
| Instruction set | ARMv8-A | ARMv7-A |
| Level 1 cache memory (L1) | - | 32 KB + 32 KB |
| Level 2 cache memory (L2) | - | 256 KB 0.25 MB |
| CPU cores | 8 | 1 |
| CPU frequency | 2300 MHz | 800 MHz |
| GPU | IMG PowerVR GE8320 | - |
| GPU frequency | 650 MHz | - |
| RAM capacity | 2 GB | 256 MB |
| RAM type | LPDDR4X | - |
| RAM channels | Double channel | - |
| RAM frequency | 1600 MHz | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB | 2 GB |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | - |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | IPS | E Ink |
| Diagonal size | 7 in 177.8 mm 17.78 cm | 6 in 152.4 mm 15.24 cm |
| Width | 6.04 in 153.41 mm 15.34 cm | 4.8 in 121.92 mm 12.19 cm |
| Height | 3.54 in 89.89 mm 8.99 cm | 3.6 in 91.44 mm 9.14 cm |
| Aspect ratio | 1.707:1 | 1.333:1 4:3 |
| Resolution | 1024 x 600 pixels | 1024 x 768 pixels |
| Pixel density | 170 ppi 66 ppcm | 213 ppi 83 ppcm |
| Color depth | 24 bit 16777216 colors | - |
| Display area | 76.77 % | 56.56 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch |
| TDDI Direct Bonding 350 cd/m² | Built in front light Light control - dim only Screen shades - 16 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Accelerometer | - |
| Vibrator | - |
Rear camera
The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Image resolution | 1600 x 1200 pixels 1.92 MP | - |
| Video resolution | 1280 x 720 pixels 0.92 MP | - |
| Features | Autofocus Geotagging Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | - |
Front camera
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Image resolution | 1600 x 1200 pixels 1.92 MP | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | - |
| Single microphone Dolby Audio-tuned speaker | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | - |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS | - |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11b 802.11g 802.11n |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | - |
| Features | A2DP LE | - |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage |
Headphone jack
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
| Headphone jack | Yes | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | HTML HTML5 CSS 3 | HTML HTML5 |
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
| Audio file formats/codecs | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | - |
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
| Video file formats/codecs | 3GPP AVI H.263 H.264 MKV MP4 WebM WMV Xvid | - |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 3750 mAh | 1420 mAh |
| Type | Li-Polymer | Li-Polymer |
| Charger output power | 5 V / 2 A | - |
| Features | Fast charging Non-removable | Non-removable |
| - | Battery life - up to 1340 h |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | Stylus Supported file formats - Kindle Format 8 (AZW3); Kindle (AZW); TXT; PDF; unprotected MOBI; PRC natively; DOC; DOCX; JPEG |
| Lenovo Tab M7 (3rd Gen) | Amazon Kindle Paperwhite |